diff options
Diffstat (limited to 'synapse/handlers')
| -rw-r--r-- | synapse/handlers/_base.py | 57 | ||||
| -rw-r--r-- | synapse/handlers/federation.py | 18 | ||||
| -rw-r--r-- | synapse/handlers/message.py | 54 | ||||
| -rw-r--r-- | synapse/handlers/room.py | 168 | ||||
| -rw-r--r-- | synapse/handlers/sync.py | 48 |
5 files changed, 243 insertions, 102 deletions
diff --git a/synapse/handlers/_base.py b/synapse/handlers/_base.py index c488ee0f6d..6a26cb1879 100644 --- a/synapse/handlers/_base.py +++ b/synapse/handlers/_base.py @@ -21,6 +21,7 @@ from synapse.api.constants import Membership, EventTypes from synapse.types import UserID, RoomAlias from synapse.util.logcontext import PreserveLoggingContext +from synapse.util import third_party_invites import logging @@ -45,6 +46,52 @@ class BaseHandler(object): self.event_builder_factory = hs.get_event_builder_factory() + @defer.inlineCallbacks + def _filter_events_for_client(self, user_id, events): + event_id_to_state = yield self.store.get_state_for_events( + frozenset(e.event_id for e in events), + types=( + (EventTypes.RoomHistoryVisibility, ""), + (EventTypes.Member, user_id), + ) + ) + + def allowed(event, state): + if event.type == EventTypes.RoomHistoryVisibility: + return True + + membership_ev = state.get((EventTypes.Member, user_id), None) + if membership_ev: + membership = membership_ev.membership + else: + membership = Membership.LEAVE + + if membership == Membership.JOIN: + return True + + history = state.get((EventTypes.RoomHistoryVisibility, ''), None) + if history: + visibility = history.content.get("history_visibility", "shared") + else: + visibility = "shared" + + if visibility == "public": + return True + elif visibility == "shared": + return True + elif visibility == "joined": + return membership == Membership.JOIN + elif visibility == "invited": + return membership == Membership.INVITE + + return True + + defer.returnValue([ + event + for event in events + if allowed(event, event_id_to_state[event.event_id]) + ]) + def ratelimit(self, user_id): time_now = self.clock.time() allowed, time_allowed = self.ratelimiter.send_message( @@ -123,6 +170,16 @@ class BaseHandler(object): ) ) + if ( + event.type == EventTypes.Member and + event.content["membership"] == Membership.JOIN and + third_party_invites.join_has_third_party_invite(event.content) + ): + yield third_party_invites.check_key_valid( + self.hs.get_simple_http_client(), + event + ) + federation_handler = self.hs.get_handlers().federation_handler if event.type == EventTypes.Member: diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index a710bdcfdb..946ff97c7d 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -39,7 +39,7 @@ from twisted.internet import defer import itertools import logging - +from synapse.util import third_party_invites logger = logging.getLogger(__name__) @@ -584,7 +584,8 @@ class FederationHandler(BaseHandler): origin, pdu = yield self.replication_layer.make_join( target_hosts, room_id, - joinee + joinee, + content ) logger.debug("Got response to make_join: %s", pdu) @@ -697,14 +698,20 @@ class FederationHandler(BaseHandler): @defer.inlineCallbacks @log_function - def on_make_join_request(self, room_id, user_id): + def on_make_join_request(self, room_id, user_id, query): """ We've received a /make_join/ request, so we create a partial join event for the room and return that. We don *not* persist or process it until the other server has signed it and sent it back. """ + event_content = {"membership": Membership.JOIN} + if third_party_invites.has_join_keys(query): + event_content["third_party_invite"] = ( + third_party_invites.extract_join_keys(query) + ) + builder = self.event_builder_factory.new({ "type": EventTypes.Member, - "content": {"membership": Membership.JOIN}, + "content": event_content, "room_id": room_id, "sender": user_id, "state_key": user_id, @@ -716,6 +723,9 @@ class FederationHandler(BaseHandler): self.auth.check(event, auth_events=context.current_state) + if third_party_invites.join_has_third_party_invite(event.content): + third_party_invites.check_key_valid(self.hs.get_simple_http_client(), event) + defer.returnValue(event) @defer.inlineCallbacks diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index dfeeae76db..024474d5fe 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -146,7 +146,7 @@ class MessageHandler(BaseHandler): "end": next_token.to_string(), }) - events = yield self._filter_events_for_client(user_id, room_id, events) + events = yield self._filter_events_for_client(user_id, events) time_now = self.clock.time_msec() @@ -162,52 +162,6 @@ class MessageHandler(BaseHandler): defer.returnValue(chunk) @defer.inlineCallbacks - def _filter_events_for_client(self, user_id, room_id, events): - event_id_to_state = yield self.store.get_state_for_events( - frozenset(e.event_id for e in events), - types=( - (EventTypes.RoomHistoryVisibility, ""), - (EventTypes.Member, user_id), - ) - ) - - def allowed(event, state): - if event.type == EventTypes.RoomHistoryVisibility: - return True - - membership_ev = state.get((EventTypes.Member, user_id), None) - if membership_ev: - membership = membership_ev.membership - else: - membership = Membership.LEAVE - - if membership == Membership.JOIN: - return True - - history = state.get((EventTypes.RoomHistoryVisibility, ''), None) - if history: - visibility = history.content.get("history_visibility", "shared") - else: - visibility = "shared" - - if visibility == "public": - return True - elif visibility == "shared": - return True - elif visibility == "joined": - return membership == Membership.JOIN - elif visibility == "invited": - return membership == Membership.INVITE - - return True - - defer.returnValue([ - event - for event in events - if allowed(event, event_id_to_state[event.event_id]) - ]) - - @defer.inlineCallbacks def create_and_send_event(self, event_dict, ratelimit=True, token_id=None, txn_id=None): """ Given a dict from a client, create and handle a new event. @@ -424,7 +378,7 @@ class MessageHandler(BaseHandler): ).addErrback(unwrapFirstError) messages = yield self._filter_events_for_client( - user_id, event.room_id, messages + user_id, messages ) start_token = now_token.copy_and_replace("room_key", token[0]) @@ -519,7 +473,7 @@ class MessageHandler(BaseHandler): ) messages = yield self._filter_events_for_client( - user_id, room_id, messages + user_id, messages ) start_token = StreamToken(token[0], 0, 0, 0) @@ -599,7 +553,7 @@ class MessageHandler(BaseHandler): ).addErrback(unwrapFirstError) messages = yield self._filter_events_for_client( - user_id, room_id, messages + user_id, messages ) start_token = now_token.copy_and_replace("room_key", token[0]) diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 3364a5de14..3f0cde56f0 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -22,11 +22,16 @@ from synapse.types import UserID, RoomAlias, RoomID from synapse.api.constants import ( EventTypes, Membership, JoinRules, RoomCreationPreset, ) -from synapse.api.errors import StoreError, SynapseError +from synapse.api.errors import AuthError, StoreError, SynapseError from synapse.util import stringutils, unwrapFirstError from synapse.util.async import run_on_reactor +from signedjson.sign import verify_signed_json +from signedjson.key import decode_verify_key_bytes + from collections import OrderedDict +from unpaddedbase64 import decode_base64 + import logging import string @@ -483,6 +488,13 @@ class RoomMemberHandler(BaseHandler): should_do_dance = not self.hs.is_mine(inviter) room_hosts = [inviter.domain] + elif "third_party_invite" in event.content: + if "sender" in event.content["third_party_invite"]: + inviter = UserID.from_string( + event.content["third_party_invite"]["sender"] + ) + should_do_dance = not self.hs.is_mine(inviter) + room_hosts = [inviter.domain] else: # return the same error as join_room_alias does raise SynapseError(404, "No known servers") @@ -540,6 +552,160 @@ class RoomMemberHandler(BaseHandler): suppress_auth=(not do_auth), ) + @defer.inlineCallbacks + def do_3pid_invite( + self, + room_id, + inviter, + medium, + address, + id_server, + display_name, + token_id, + txn_id + ): + invitee = yield self._lookup_3pid( + id_server, medium, address + ) + + if invitee: + # make sure it looks like a user ID; it'll throw if it's invalid. + UserID.from_string(invitee) + yield self.hs.get_handlers().message_handler.create_and_send_event( + { + "type": EventTypes.Member, + "content": { + "membership": unicode("invite") + }, + "room_id": room_id, + "sender": inviter.to_string(), + "state_key": invitee, + }, + token_id=token_id, + txn_id=txn_id, + ) + else: + yield self._make_and_store_3pid_invite( + id_server, + display_name, + medium, + address, + room_id, + inviter, + token_id, + txn_id=txn_id + ) + + @defer.inlineCallbacks + def _lookup_3pid(self, id_server, medium, address): + """Looks up a 3pid in the passed identity server. + + Args: + id_server (str): The server name (including port, if required) + of the identity server to use. + medium (str): The type of the third party identifier (e.g. "email"). + address (str): The third party identifier (e.g. "foo@example.com"). + + Returns: + (str) the matrix ID of the 3pid, or None if it is not recognized. + """ + try: + data = yield self.hs.get_simple_http_client().get_json( + "https://%s/_matrix/identity/api/v1/lookup" % (id_server,), + { + "medium": medium, + "address": address, + } + ) + + if "mxid" in data: + if "signatures" not in data: + raise AuthError(401, "No signatures on 3pid binding") + self.verify_any_signature(data, id_server) + defer.returnValue(data["mxid"]) + + except IOError as e: + logger.warn("Error from identity server lookup: %s" % (e,)) + defer.returnValue(None) + + @defer.inlineCallbacks + def verify_any_signature(self, data, server_hostname): + if server_hostname not in data["signatures"]: + raise AuthError(401, "No signature from server %s" % (server_hostname,)) + for key_name, signature in data["signatures"][server_hostname].items(): + key_data = yield self.hs.get_simple_http_client().get_json( + "https://%s/_matrix/identity/api/v1/pubkey/%s" % + (server_hostname, key_name,), + ) + if "public_key" not in key_data: + raise AuthError(401, "No public key named %s from %s" % + (key_name, server_hostname,)) + verify_signed_json( + data, + server_hostname, + decode_verify_key_bytes(key_name, decode_base64(key_data["public_key"])) + ) + return + + @defer.inlineCallbacks + def _make_and_store_3pid_invite( + self, + id_server, + display_name, + medium, + address, + room_id, + user, + token_id, + txn_id + ): + token, public_key, key_validity_url = ( + yield self._ask_id_server_for_third_party_invite( + id_server, + medium, + address, + room_id, + user.to_string() + ) + ) + msg_handler = self.hs.get_handlers().message_handler + yield msg_handler.create_and_send_event( + { + "type": EventTypes.ThirdPartyInvite, + "content": { + "display_name": display_name, + "key_validity_url": key_validity_url, + "public_key": public_key, + }, + "room_id": room_id, + "sender": user.to_string(), + "state_key": token, + }, + token_id=token_id, + txn_id=txn_id, + ) + + @defer.inlineCallbacks + def _ask_id_server_for_third_party_invite( + self, id_server, medium, address, room_id, sender): + is_url = "https://%s/_matrix/identity/api/v1/store-invite" % (id_server,) + data = yield self.hs.get_simple_http_client().post_urlencoded_get_json( + is_url, + { + "medium": medium, + "address": address, + "room_id": room_id, + "sender": sender, + } + ) + # TODO: Check for success + token = data["token"] + public_key = data["public_key"] + key_validity_url = "https://%s/_matrix/identity/api/v1/pubkey/isvalid" % ( + id_server, + ) + defer.returnValue((token, public_key, key_validity_url)) + class RoomListHandler(BaseHandler): diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index 21cf50101a..ee6b881de1 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -322,52 +322,6 @@ class SyncHandler(BaseHandler): )) @defer.inlineCallbacks - def _filter_events_for_client(self, user_id, room_id, events): - event_id_to_state = yield self.store.get_state_for_events( - frozenset(e.event_id for e in events), - types=( - (EventTypes.RoomHistoryVisibility, ""), - (EventTypes.Member, user_id), - ) - ) - - def allowed(event, state): - if event.type == EventTypes.RoomHistoryVisibility: - return True - - membership_ev = state.get((EventTypes.Member, user_id), None) - if membership_ev: - membership = membership_ev.membership - else: - membership = Membership.LEAVE - - if membership == Membership.JOIN: - return True - - history = state.get((EventTypes.RoomHistoryVisibility, ''), None) - if history: - visibility = history.content.get("history_visibility", "shared") - else: - visibility = "shared" - - if visibility == "public": - return True - elif visibility == "shared": - return True - elif visibility == "joined": - return membership == Membership.JOIN - elif visibility == "invited": - return membership == Membership.INVITE - - return True - - defer.returnValue([ - event - for event in events - if allowed(event, event_id_to_state[event.event_id]) - ]) - - @defer.inlineCallbacks def load_filtered_recents(self, room_id, sync_config, now_token, since_token=None): limited = True @@ -390,7 +344,7 @@ class SyncHandler(BaseHandler): end_key = "s" + room_key.split('-')[-1] loaded_recents = sync_config.filter.filter_room_timeline(events) loaded_recents = yield self._filter_events_for_client( - sync_config.user.to_string(), room_id, loaded_recents, + sync_config.user.to_string(), loaded_recents, ) loaded_recents.extend(recents) recents = loaded_recents |